Keiichi Maeda

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Copper based sintered contact material and double-layered sintered...
- Patent number 7,261,951
- Issue date Aug 28, 2007
- Komatsu Ltd.
- Takemori Takayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Copper based sintered contact material and double-layered sintered...
- Patent number 7,087,318
- Issue date Aug 8, 2006
- Komatsu Ltd.
- Takemori Takayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Copper based sintered contact material and double-layered sintered...
- Patent number 7,056,598
- Issue date Jun 6, 2006
- Komatsu, Ltd.
- Takemori Takayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Copper based sintered contact material and double-layered sintered...
- Patent number 6,844,085
- Issue date Jan 18, 2005
- Komatsu Ltd
- Takemori Takayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Copper based sintered contact material and double-layered sintered...
- Publication number 20040149082
- Publication date Aug 5, 2004
- Takemori Takayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Copper based sintered contact material and double-layered sintered...
- Publication number 20040149081
- Publication date Aug 5, 2004
- Takemori Takayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Copper based sintered contact material and double-layered sintered...
- Publication number 20040149083
- Publication date Aug 5, 2004
- Takemori Takayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Cooper-based sintering sliding material and multi-layered sintered...
- Publication number 20030209103
- Publication date Nov 13, 2003
- Komatsu Ltd.
- Takemori Takayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Copper based sintered contact material and double-layered sintered...
- Publication number 20030099853
- Publication date May 29, 2003
- Takemori Takayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...